Innovator Frances Arnold has been awarded the Millennium Technology Prize for her "directed evolution" method, which creates new and better proteins in the laboratory using principles of evolution. The Millennium Technology Prize is one of the world's most prestigious technology awards.

On February 26, some of the nation's leading scientists and researchers—including five Nobel laureates and members of all three National Academies—will gather at Caltech to discuss some of the most perplexing questions facing humanity.

In a new paper in the journal Science, Caltech’s Nate Lewis reviews recent developments in solar-energy utilization and looks at some of the challenges and opportunities that lie ahead in the research and development of solar-electricity, solar-thermal, and solar-fuels technologies.